cancer

(noun) any malignant growth or tumor caused by abnormal and uncontrolled cell division; it may spread to other parts of the body through the lymphatic system or the blood stream. Synonyms: malignant neoplastic disease.

(noun) (astrology) a person who is born while the sun is in Cancer. Synonyms: Cancer, Crab.

(noun) a small zodiacal constellation in the northern hemisphere; between Leo and Gemini. Synonyms: Cancer.

(noun) the fourth sign of the zodiac; the sun is in this sign from about June 21 to July 22. Synonyms: Cancer, Cancer the Crab, Crab.

(noun) type genus of the family Cancridae. Synonyms: Cancer, genus Cancer.